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Description
Three-dot tritium suppressor/optic height iron sights with white outlines and green lamps, for the FNH® FN509.
These are three-dot tritium iron sights that let the shooter line up the sights in both bright and low-light situations.
The additional height clears the added height of a suppressor, and the sights can also serve as back up iron sights alongside a slide-mounted red dot sight.
The set fits the FNH® FN509, with green lamps and white paint at both front and rear.
Key features
- Suppressor-height design — The increased height allows use with a suppressor or as backup iron sights for a slide-mounted red dot sight.
- Battery-free glow — The tritium lamps glow without batteries, giving a visible sight picture in no-light and low-light situations.
- Daylight visibility — White-painted rings around the tritium lamps make the sight picture easier to see in bright light.
- Recoil protection — The tritium gas lamps sit within protective aluminium cylinders with additional silicone rubber cushioning, guarding against heavy recoil and harsh cleaning solvents.
- Sapphire jewel caps — Each lamp is capped with a sapphire jewel that helps distribute the light evenly and adds protection from puncture and cleaning solvents.
- Rear notch — The rear sight has a square notch.
Typical applications
- Shooting a suppressed FN509 where standard height sights would not give an aiming solution.
- Back up iron sights alongside a slide-mounted red dot sight.
- Installation by a gunsmith or armourer is recommended.
Technical specifications
| Fits make | FNH® |
| Fits model | FN509 |
| Front lamp colour | Green |
| Rear lamp colour | Green |
| Front paint colour | White |
| Rear paint colour | White |
| Front blade width | 0.14 in. (3.55mm) |
| Front blade height | 0.36 in. (9.14mm) |
| Overall front blade height | 0.4235 in. (10.75mm) |
| Rear notch style | Square-Notch |
| Rear notch width | 0.15 in. (3.8mm) |
| Rear blade height | 0.353 in. (8.96mm) |
| Overall rear height | 0.444 in. (11.27mm) |
In the box
- 1 × Suppressor/Optic Height Sights - FN509 — Front: White Outline / Green Tritum, Rear, White Outline / Green Tritium
Model information
| Brand | Trijicon |
| Model | Suppressor/Optic Height Sights - FN509 — Front: White Outline / Green Tritum, Rear, White Outline / Green Tritium |
| MPN | FN204-C-600996 |




